package com.atguigu.gulimall.product.app;

import java.util.Arrays;
import java.util.List;
import java.util.Map;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import com.atguigu.gulimall.product.entity.CategoryEntity;
import com.atguigu.gulimall.product.service.CategoryService;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.R;



/**
 * 商品三级分类
 *
 * @author lemon
 * @email 2313812755@qq.com
 * @date 2022-11-19 23:00:39
 */
@RestController
@RequestMapping("product/category")
//@CrossOrigin  配置了统一跨域的请求
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 三级分类 查出所欲分类以及子分类 以树形结构组装起来形成我们的列表
     */
    @RequestMapping("/list/tree")
//    @RequiresPermissions("product:category:list")
    public R listTree(){
        List<CategoryEntity> entities = categoryService.listWithTree();

        return R.ok().put("data", entities);
    }

    @RequestMapping("/list")
//    @RequiresPermissions("product:category:list")
    public R list(@RequestParam Map<String, Object> params){
        PageUtils page = categoryService.queryPage(params);

        return R.ok().put("page", page);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{catId}")
//    @RequiresPermissions("product:category:info")
    public R info(@PathVariable("catId") Long catId){
		CategoryEntity category = categoryService.getById(catId);

        return R.ok().put("data", category);
    }

    /**
     * 批量修改
     */
    @RequestMapping("/update/sort")
    //@RequiresPermissions("product:category:update")
    // 前端传递过来的是多个CategoryEntity 我们转化为集合就可以了
    public R updateSort(@RequestBody CategoryEntity[] category){
        // 传递的实例 批量进行修改
        categoryService.updateBatchById(Arrays.asList(category));
        return R.ok();
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
//    @RequiresPermissions("product:category:save")
    public R save(@RequestBody CategoryEntity category){
		categoryService.save(category);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
//    @RequiresPermissions("product:category:update")
    public R update(@RequestBody CategoryEntity category){
//		categoryService.updateById(category);
        // 进行级联更新
        categoryService.updateCascade(category);
        return R.ok();
    }

    /**
     * 删除
     * RequestBody 只有post请求才有请求体  必须发送post请求(JSON
     */
    @RequestMapping("/delete")
//    @RequiresPermissions("product:category:delete")
    public R delete(@RequestBody Long[] catIds){

        // 1.检查当前删除的菜单是否被别的地方引用
//		categoryService.removeByIds(Arrays.asList(catIds));
        categoryService.removeMenusByIds(Arrays.asList(catIds));

        return R.ok();
    }

}
